Phytohormones: A Window to Metabolism, Signaling and Biotechnological Applications

367 Pages·2014·11.43 MB·English

by  Lam-Son Phan Tran

Lam-Son Phan Tran · Sikander Pal
Editors
Phytohormones:
A Window to
Metabolism, Signaling
and Biotechnological
Applications
Phytohormones: A Window to Metabolism,
Signaling and Biotechnological Applications

Lam-Son Phan Tran (cid:129) Sikander Pal
Editors
Phytohormones: A Window
to Metabolism, Signaling
and Biotechnological
Applications
Editors
Lam-Son Phan Tran Sikander Pal
Signaling Pathway Research Unit Department of Botany
Center for Sustainable Resource Science University of Jammu
RIKEN Jammu , India
Yokohama , Kanagawa , Japan
ISBN 978-1-4939-0490-7 ISBN 978-1-4939-0491-4 (eBook)
DOI 10.1007/978-1-4939-0491-4
Springer New York Heidelberg Dordrecht London
Library of Congress Control Number: 2014933671
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Pref ace
The phytohormones regulate various biological processes in plants. In the last few
decades, comprehensive research efforts have displayed the existence of phytohor-
monal signals and their transduction in plants. Intensive molecular studies have
elucidated various plant hormonal pathways, each of which consists of many signal-
ing members, linking a specifi c hormone perception to the regulation of downstream
genes. Among phytohormones, signal transduction pathways of auxin (Aux),
abscisic acid (ABA), cytokinins (CKs), gibberellins (GAs), and ethylene (ET) have
been thoroughly investigated. In the last decade, extensive research efforts have
recognized brassinosteroids (BRs) as a new class of plant hormones with multiple
roles in plant physiological processes. The signal transduction pathway and crucial
implication of BR signaling components in execution of BR responses in plants
have been recently established. Emerging evidence also supports specifi c signal per-
ception and transduction pathways for salicylic acid (SA) and jasmonates (JAs).
Latest research fi ndings also support strigolactones as plant hormones.
The advanced molecular studies have demonstrated crucial implication of phy-
tohormonal crosstalk s in the regulation of key physiological events under normal
and stressful conditions. For instance, the crosstalks of Aux-ABA, Aux-BRs, BRs-
ABA, ET-ABA, BRs-ET, CKs-ABA, BRs-JAs, BRs-SA, and GAs-JAs have been
shown to regulate a number of biological processes in plants. The phytohormonal
crosstalk between two hormones can be antagonistic or synergistic or additive in
action. Additionally, the signal transduction component(s) of one hormonal path-
way may interplay with the signaling component(s) of other hormonal pathway(s).
The knowledge gained from the signal transduction studies of phytohormones
has been practically valorized through genetic manipulation. Genetic engineering
has enabled plant biologists to manipulate the signaling pathways of plant hormones
for the development of crop varieties with improved yield and stress tolerance.
Latest research fi ndings have revolutionized the concept of phytohormonal studies
in plants. The present book volume will describe the new facet of plant hormones;
that is, not only phytohormones have been studied to understand their course of
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vi Preface
actions in plants but also crosstalk implication of two or more hormones has become
the target of plant scientists to manipulate the hormonal impact and to generate
high-yielding varieties. In the preceding context, Chaps. 1 – 5 describe the metabo-
lism, signaling, and genetic manipulation of classical hormones (Aux, ABA, CKs,
ET, and GAs). Understanding the roles of emerging plant hormones, such as BRs,
SA, JAs, and strigolactones, is of utmost signifi cance to plant biologists. Chapters
6 – 9 of this book will apprise the readers about fundamentals and recent understand-
ings of these emerging hormones. Implication of plant hormonal crosstalks under
stressful conditions has just begun to be deciphered. Thus, to share the latest updates
with the readers, the book will be concluding with chapters on phytohormonal
crosstalks under abiotic and biotic stresses.
O verall, this volume will present our current understanding of phytohormonal
signal transductions and crosstalk of phytohormones in plants as a regulation of key
physiological processes. Every section will be concluded with application of bio-
technological strategies based on modulation of the hormone contents or signal
transduction pathway or crosstalk, enabling us to maintain agriculture in a sustain-
able manner.
W e are grateful to the authors of various chapters of this book for writing their
chapters meticulously and with great responsibility. We are extremely thankful to
Dr. Kazuo Shinozaki, Director of RIKEN Center for Sustainable Resource Science,
Japan; Prof. MPS Ishar, Vice-Chancellor, University of Jammu, India; and Prof.
Pedro Berliner, Director and Dr. Shimon Rachmilevitch of Jacob Blaustein Institute
for Desert Research, Ben-Gurion University, Israel, for providing overall support
for our research and academic pursuits.
W e are thankful to our colleagues Prof. Yashpal Sharma, Prof. Anima Langer,
Prof. Namrata Sharma, and Dr. Veenu Koul at the Department of Botany for their
constructive suggestions while editing this book. With profound gratitude, we wish
to mention the names of Prof. Geeta Sumbali, Head, Department of Botany,
University of Jammu, and Prof. Renu Bhardwaj, Department of Botany, Guru
Nanak Dev University, for motivating us to undertake this endeavor. Roles played
by the commissioning editors Hannah Smith, Mellissa Higgs, Kenneth Teng, and
Joseph Quatela and the entire production team were instrumental in developing this
onerous book project. We appreciate the lovely atmosphere created by our little
angelic kids Adhyan, Trang Tran, and Tram Tran and our better halves Deepmala
and Uyen Tran, who allowed us to work overtime and gave us all emotional support.
We are thankful to our parents for their unconditional support.
We are quite hopeful that this book will be successful in updating the readers
about the phytohormones and latest emerging trends.
Jammu , India Sikander Pal
RIKEN, Yokohama , Japan Lam-Son Phan Tran
Contents
Auxin in Plant Growth and Stress Responses .............................................. 1
Liu Liu, Guangyan Guo, Zhijuan Wang, Hongtao Ji,
Fupeng Mu, and Xia Li
Abscisic Acid Implication in Plant Growth and Stress Responses ............. 37
Hiroaki Fujii
Cytokinin Regulation of Plant Growth and Stress Responses .................... 55
Radomira Vankova
Roles of Ethylene in Plant Growth and Responses to Stresses ................... 81
Biao Ma, Hui Chen, Shou-Yi Chen, and Jin-Song Zhang
Gibberellin Implication in Plant Growth and Stress Responses ................ 119
Eugenio G. Minguet, David Alabadí, and Miguel A. Blázquez
Brassinosteroids Implicated in Growth and Stress Responses ................... 163
Andrzej Bajguz and Alicja Piotrowska-Niczyporuk
Salicylic Acid and Defense Responses in Plants ........................................... 191
Chuanfu An and Zhonglin Mou
Jasmonates in Plant Growth and Stress Responses ..................................... 221
Claus Wasternack
Strigolactones: Biosynthesis, Synthesis and Functions
in Plant Growth and Stress Responses .......................................................... 265
Hinanit Koltai and Cristina Prandi
vii
viii Contents
Phytohormonal Crosstalk Under Abiotic Stress .......................................... 289
Aurelio Gómez-Cadenas, Carlos de Ollas, Matías Manzi,
and Vicent Arbona
Plant Hormone Crosstalks Under Biotic Stresses ........................................ 323
Hiroshi Takatsuji and Chang-Jie Jiang
About the Editors ............................................................................................ 351
Index ................................................................................................................. 353
Contributors
David Alabadí Instituto de Biología Molecular y Celular de Plantas (CSIC-UPV) ,
Valencia , Spain
Chuanfu An Department of Microbiology and Cell Science , University of Florida ,
Gainesville , FL , USA
M SU-DOE Plant Research Laboratory, M ichigan State University, E ast Lansing,
MI , USA
Vicent Arbona Departament de Ciències Agràries i del Medi Natural , Universitat
Jaume I , Castelló de la Plana , Spain
Andrzej Bajguz Department of Plant Biochemistry and Toxicology , Institute of
Biology, University of Bialystok , Bialystok , Poland
Miguel A. Blázquez Instituto de Biología Molecular y Celular de Plantas (CSIC- UPV) ,
Valencia , Spain
Hui Chen S tate Key Lab of Plant Genomics, I nstitute of Genetics and
Developmental Biology, Chinese Academy of Sciences, B eijing, P eople’s Republic
of China
Shou-Yi Chen S tate Key Lab of Plant Genomics, I nstitute of Genetics and
Developmental Biology, Chinese Academy of Sciences, B eijing, P eople’s Republic
of China
Hiroaki Fujii M olecular Plant Biology Unit, Department of Biochemistry, Faculty
of Mathematics and Natural Sciences , University of Turku , Turku , Finland
Aurelio Gómez-Cadenas Departament de Ciències Agràries i del Medi Natural ,
Universitat Jaume I , Castelló de la Plana , Spain
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